
GD(H6DO)-165
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CT:DTC P0507 IDLE CONTROL SYSTEM RPM HIGHER THAN EXPECTED
1. OUTLINE OF DIAGNOSIS
Detect the malfunction that actual engine rpm is not close to target engine rpm during idling. Judge as NG
when actual engine RPM is not close to target engine RPM during idling.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Perform the diagnosis continuously at idling after warming up engine.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criterion below is 10 seconds × 3
times.
Time Needed for Diagnosis: 10 seconds × 3 times
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
Normality Judgment
Judge as OK and clear NG when the continuous time of completing the malfunction criterion below becomes
more than the time needed for diagnosis (10 seconds).
5. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
Secondary Parameters Enable Conditions
Engine coolant temperature≥ 75°C (167°F)
Battery voltage≥ 10.9V
Atmospheric pressure > 75.1 kPa (563
mmHg, 22.2 inHg)
Fuel level≥ 9.6 2 (2.54 US gal,
2.11 Imp gal)
After engine starting 10 seconds or more
Feedback in ISC In operation
Lambda value (left and right) 0.9 ←→ 1.1
After air condition switching ON-OFF,
OFF-ON
5.1 seconds or more
After intake manifold pressure changes
to more than 4 kPa (30 mmHg, 1.2 inHg)
> 5.1 sec.
After neutral switch ON-OFF change > 5.1 sec.
Ve h i c l e s p e e d 0 k m / h ( 0 M P H )
Judgment Value
Malfunction Criteria Threshold Value
Actual – Target engine RPM≥ 200 rpm
Feedback value for ISC Min.
Judgment Value
Malfunction Criteria Threshold Value
Actual – Target engine RPM < 200 rpm

GD(H6DO)-167
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CU:DTC P0512 STARTER REQUEST CIRCUIT
1. OUTLINE OF DIAGNOSIS
Detect the open or short circuit of starter SW.
Judge ON NG when the starter SW signal remains on.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as ON NG when the continuous time of completing the malfunction criteria below becomes more than
3 minutes.
Time Needed for Diagnosis: 180 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
Normality Judgment
Judge ON OK and clear the NG when the malfunction criteria below are met.
5. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
7. FAIL SAFE
None
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
None
Judgment Value
Malfunction Criteria Threshold Value
Engine speed > 500 rpm
Starter ON signal Not detected
Battery voltage > 8 V
Judgment Value
Malfunction Criteria Threshold Value
Starter switch ON
Battery voltage > 8 V

GD(H6DO)-169
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CW:DTC P0519 IDLE CONTROL SYSTEM MALFUNCTION (FAIL-SAFE)
1. OUTLINE OF DIAGNOSIS
Detect malfunctions in which the engine RPM continues to rise during idling.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Perform the diagnosis continuously if the vehicle speed at less than 4 km/h (2.49 MPH).
4. DIAGNOSTIC METHOD
Judge as NG when the continuous time until completing the all malfunction criteria below becomes more than
the time needed for diagnosis (2 seconds).
Time Needed for Diagnosis: 2 seconds
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
Normality Judgment
Judge as OK and clear NG when the continuous time until completing the malfunction criteria below be-
comes more than the time needed for diagnosis (5 seconds).
5. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
7. FAIL SAFE
Fuel cut: Cuts off fuel only #1 and #2 cylinders, or for all cylinders according to vehicle speed, engine RPM,
and throttle position.
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
Battery voltage≥ 10.9 V
Feedback in ISC In operation
Ve h i c l e s p e e d < 4 k m / h ( 2 . 4 9 M P H )
After engine starting 1 second or more
Judgment Value
Malfunction Criteria Threshold Value
Engine RPM - Targeted engine RPM≥ 1500 rpm
Feedback value for ISC≤ 0
Change of engine RPM for every engine
120 °CA
≥ –5 rpm
Judgment Value
Malfunction Criteria Threshold Value
Engine RPM - Targeted engine RPM < 1500 rpm

GD(H6DO)-170
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
CX:DTC P0600 SERIAL COMMUNICATION LINK
1. OUTLINE OF DIAGNOSIS
Detect malfunction of CAN communication.
When CAN communications is not possible, and CAN communications with AT is not possible, judge as NG
if data from the AT is not normal.
2. COMPONENT DESCRIPTION
ECM and TCM are connected by high speed CAN.
(Common Specifications)
CAN Protocol 2.0 B (Active)
Frame Format: 11 Bit ID Frame (Standard Frame)
(High Speed CAN)
Conforms to ISO11898
Communication Speed: 500 kbps
3. ENABLE CONDITIONS
4. GENERAL DRIVING CYCLE
Perform the diagnosis continuously after starting the engine.
5. DIAGNOSTIC METHOD
Abnormality Judgment
When either of the following conditions are established, it is judged NG.
Judge as OK and clear the NG when the continuous time when all of the following criteria are established is
more than the predetermined time (1 second).
Time Needed for Diagnosis: 1 time
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
6. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
7. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
8. FAIL SAFE
None
9. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
Battery voltage≥ 10.9 V
Starter switch OFF
Engine run
Judgment Value
Malfunction Criteria Threshold Value
Bus off flag or error warning flag set
ID from body integrated module is not
received.
= 500 milliseconds
Data from body integrated module is not
updated.
= 500 milliseconds

GD(H6DO)-173
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DA:DTC P0607 CONTROL MODULE PERFORMANCE
1. OUTLINE OF DIAGNOSIS
Judge as NG when either the following is completed.
•When the read value of throttle position sensor 1 signal is mismatched between main CPU and sub CPU.
•When the read value of accelerator position sensor 1 signal is mismatched between main CPU and sub
CPU.
•When the sub CPU operates abnormally.
•When the communication between main CPU ←→ sub CPU is abnormal.
•When the input amplifier circuit of throttle position sensor 1 is abnormal.
•When the cruise control cannot be canceled correctly.
•When the signal of brake SW1 and 2 is mismatched.
•When the directed angle from the main CPU is abnormal.
2. COMPONENT DESCRIPTION
(1) Throttle position sensor (6) Accelerator pedal position sensor 2 (11) Amplifier circuit
(2) Throttle position sensor 1 (7) Battery (12) Engine control module (ECM)
(3) Throttle position sensor 2 (8) Stop light (13) Sub CPU
(4) Accelerator pedal position sensor (9) Brake switch (14) Main CPU
(5) Accelerator pedal position sensor 1 (10) I/F circuit
EN-01862
(1)
(4)
(2)
(3)
(5)
(6)
(7)
(8)
(9)
(12)
(11)(10)
(10)
(10)
(10)
(13)
(14)

GD(H6DO)-179
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DC:DTC P0691 COOLING FAN 1 CONTROL CIRCUIT LOW
1. OUTLINE OF DIAGNOSIS
Detect the open/short circuit of radiator fan circuit.
Judge as NG when the ECM output level differs from the actual terminal level.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously when idling.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 2.5
seconds.
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
5. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
7. FAIL SAFE
None
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting≥ 1 sec.
Engine speed 500 ←→ 850 rpm
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio = 100%
Te r m i n a l v o l t a g e l e v e l L o w l e v e l
Duty ratio 5% ←→ 95%
Te r m i n a l v o l t a g e l e v e l L o w l e v e l
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio = 100%
Te r m i n a l v o l t a g e l e v e l H i g h l e v e l
Duty ratio 5% ←→ 95%
Te r m i n a l v o l t a g e l e v e l H i g h l e v e l

GD(H6DO)-180
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DD:DTC P0692 COOLING FAN 1 CONTROL CIRCUIT HIGH
1. OUTLINE OF DIAGNOSIS
Detect the open/short circuit of radiator fan circuit.
Judge as NG when the ECM output level differs from the actual terminal level.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously when idling.
4. DIAGNOSTIC METHOD
Abnormality Judgment
Judge as NG when the continuous time of completing the malfunction criteria below becomes more than 2.5
seconds.
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light Illumination: Illuminates when malfunctions occur in 2 continuous driving cy-
cles.
Normality Judgment
Judge as OK and clear the NG when the malfunction criteria below are met.
5. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
7. FAIL SAFE
None
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
Ignition switch ON
Battery voltage≥ 10.9 V
After engine starting≥ 1 sec.
Engine speed 500 ←→ 850 rpm
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio = 0%
Te r m i n a l v o l t a g e l e v e l H i g h l e v e l
Duty ratio 5% ←→ 95%
Te r m i n a l v o l t a g e l e v e l H i g h l e v e l
Judgment Value
Malfunction Criteria Threshold Value
Duty ratio = 0%
Te r m i n a l v o l t a g e l e v e l L o w l e v e l
Duty ratio 5% ←→ 95%
Te r m i n a l v o l t a g e l e v e l L o w l e v e l

GD(H6DO)-181
Diagnostic Trouble Code (DTC) Detecting Criteria
GENERAL DESCRIPTION
DE:DTC P0700 TRANSMISSION CONTROL SYSTEM (MIL REQUEST)
1. OUTLINE OF DIAGNOSIS
CAN communication is established with AT. Judge as NG when there is a MIL lighting request.
2. ENABLE CONDITIONS
3. GENERAL DRIVING CYCLE
Always perform the diagnosis continuously.
4. DIAGNOSTIC METHOD
Judge as NG when the continuous time when the following conditions are established is longer than the pre-
determined amount of time (2.5 seconds).
Judge as OK when the following conditions are not established, and clear the NG.
Time Needed for Diagnosis: 2.5 seconds
Malfunction Indicator Light: Illuminates as soon as a malfunction occurs.
5. DTC CLEAR CONDITION
•When the OK idling cycle is completed 40 times in a row
•When “Clear Memory” is performed
6. MALFUNCTION INDICATOR LIGHT CLEAR CONDITIONS
•When the OK driving cycle is completed 3 times in a row
•When “Clear Memory” is performed
7. FAIL SAFE
None
8. ECM OPERATION AT DTC SETTING
Memorize the freeze frame data. (For test mode $02)
Secondary Parameters Enable Conditions
Battery voltage≥ 10.9 V
Judgment Value
Malfunction Criteria Threshold Value
MIL lighting request from TCM set